6 canonical passages across 4 cases, quoted by 68 opinions in total. These passages cluster together because the same opinions keep quoting them side by side — they state parts of one doctrine. The anchor passage is from United States v. Shelton Ketter.
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | United States v. Shelton Ketter Anchor | green | “because mootness is jurisdictional, we can and must consider it even if neither party has raised it.” | 21 |
| 2 | Thomas Porter v. Harold Clarke | green | “when a case or controversy ceases to exist-either due to a change in the facts or the law-the litigation is moot, and the court's subject matter jurisdiction ceases to exist also.” | 12 |
| 3 | Fleet Feet, Inc. v. Nike, Inc. | green | “if an event occurs during the pendency of an appeal that makes it impossible for a court to grant effective relief to a prevailing party, then the appeal must be dismissed as moot.” | 12 |
| 4 | Fleet Feet, Inc. v. Nike, Inc. | green | “the doctrine of mootness constitutes a part of the constitutional limits of federal court jurisdiction, which extends only to actual cases or controversies.” | 10 |
| 5 | United States v. Shelton Ketter | green | “a case becomes moot-and therefore no longer a 'case' or 'controversy' for purposes of article iii-when the issues presented are no longer 'live' or the parties lack a legally cognizable interest in the outcome.” | 7 |
| 6 | Catawba Riverkeeper Foundation v. North Carolina Department of Transportation | green | “a case becomes moot, and thus deprives federal courts of subject matter jurisdiction, when the issues presented are no longer live or the parties lack a legally cognizable interest in the outcome.” | 6 |
A red or yellow flag on a member means the underlying case has negative treatment — for those, check the case page before relying on the passage.